Advantages and disadvantages of hydraulic cylinders and hydraulic cylinders of hydraulic presses

Shanghai WORLD Press Machine Machinery Equipment Co., Ltd. is a manufacturer specializing in the design, manufacture, sales and maintenance of various standard and non-standard hydraulic machinery and hydraulic machinery, CNC machinery and automatic machinery. The main products of WORLD Press Machine machinery: presses, single-column hydraulic presses, four-column hydraulic presses, sliding table hydraulic presses, multi-station hydraulic presses, etc. Today, Shanghai WORLD Press Machine will tell you about the advantages and disadvantages of hydraulic cylinders and cylinders of hydraulic presses.

1. The operating pressure of the pneumatic system is generally in the range of 0.2-1.0Mpa, so the cylinder is a power equipment that cannot achieve high power, while the hydraulic cylinder can generate greater power.

2. From the perspective of the medium, the air is inexhaustible, free of cost, and difficult to supply. The used gas is directly discharged into the air, which is easy to handle and does not pollute; the hydraulic oil is the opposite.

3. The air viscosity is small, and the resistance is smaller than the hydraulic oil.

4. Since the air compression rate is much higher than that of hydraulic oil, its working stability and responsiveness have been poor.

In order to output a large torque, a rack and pinion hydraulic cylinder with a larger volume than the swing type and vane type motors is required; the generation and transmission of torque are completed by the gear piston next to the rack drive shaft.

The hydraulic cylinder of the four-column hydraulic press opens the oil drain plug once a year, and an appropriate amount of lubricating oil can be injected. After long-term use, open the oil plug, and when the working medium flows out, connect the oil return pipe to the oil drain hole to return the leaked oil to the oil tank, and continue to use until the output torque does not meet the requirements of use.

Anyone who has seen the latest automatic power press machine mechanical power press in operation cannot help but be impressed with how far the technology has progressed over the past few years.

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